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ladessa [460]
3 years ago
12

5*10^5 is how many times bigger that 1*10^5

Mathematics
1 answer:
weqwewe [10]3 years ago
6 0

Answer:

5

Step-by-step explanation:

5*10^5=500000 and 1*10^5=100000

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Y Varies directly as X and inversely as Z. Y=100 when X=5 and Z=10 Find Y when X=3 and Z=60
Law Incorporation [45]

Answer:

y = 10

Step-by-step explanation:

based on the question if y  varries directly as x

mathematically

y ∝ x

also, y varries inversly as z can be mathematically expressed as

y ∝ 1/z

combining the two expressions

y ∝ x ∝ 1/z

i. e

y = kx/z..... where k is the constant of proportionality

make  k the subject of formulae

yz = kx

Divide both sides by x

k =yz/x

when y=100 , x = 5 z =10

k = 100 × 10/5

k = 200

to find y when x = 3 and z = 60

<h3>from the equation connecting x,y,z</h3>

k =yz/x

200 =60y/3

cross multiply

60y = 200 × 3

60y = 600

divide both sides by 60

y = 10

5 0
3 years ago
Someone please help! i’ll give extra points
Tamiku [17]

Answer:

the rate is +1

Step-by-step explanation:

the starting value is 3

for x=0=

y=3

for x=1=

y=5

for x= 2=

y= 7

for x=3=

y= 9

7 0
2 years ago
The total value of the dimes and quarters in a bank is $23.70. There are eight fewer dimes than quarters. Find the number of dim
Vinvika [58]

Answer:

what i have to say is try to use a caculator lol

Step-by-step explanation:


8 0
3 years ago
the base of a right triangle is (x-5). The height of the triangle is (2x+1). The perimeter of the triangle is (7x+5). Find the a
Dovator [93]

Answer:

Area: (x^2)-(9x/2)-2                3rd side=4x+9

Step-by-step explanation:

First, let's find the third side. If all of the sums add up to 7x+5, then we can easily subtract the two sides that we do have.

2x+1+x-5=3x-4

Now, you have to ask yourself what added to 3x-4 can be equal to 7x+5.

It's 4x+9 because we combine like terms. That's the third side. Now, we should follow the formula for getting the area of triangle using the side lengths:

(2x+1)(x-5)/2=area of triangle

2x*x=2x^2

2x*-5=-10x

x*1=x

-5*1=-5

Now the total is 2x^2-9x-4 when you continue to combine like terms. Now all we have to do is divide by 2. So, the area is 2x^2-9x-4/2. You can simplify that. Answer is up top.

7 0
3 years ago
What is 2 1/2 + 5 1/2?
ZanzabumX [31]

Answer:

8

Step-by-step explanation:

add whole numbers first, and then add the fractions

2+5=7

1/2+1/2=1

7+1=8

8

4 0
3 years ago
Read 2 more answers
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